1885 November 4:
Razorville post office opened. (source: Maine Philatelic Society. 1995. The Post Offices of Maine: A Rarity Guide)
1907 January 29:
The circular postmark is approximately 28 mm in diameter. (image on reverse)
(click on image to enlarge)
1913 December 31:
Razorville post office closed. (source: Maine Philatelic Society. 1995. The Post Offices of Maine: A Rarity Guide)
Stickney Corner
1890 March 29:
Stickney Corner post office opened. (source: Maine Philatelic Society. 1995. The Post Offices of Maine: A Rarity Guide)
1900 December 18:
The postmark is 53–54 mm long.
(click on image to enlarge)
1941 January 31:
Stickney Corner post office closed. (source: Maine Philatelic Society. 1995. The Post Offices of Maine: A Rarity Guide)
Washington
1823 January 22:
Washington post office opened. (source: Maine Philatelic Society. 1995. The Post Offices of Maine: A Rarity Guide)
date?:
Washington post office.
(click on image to enlarge)
1949 April 9 through 1950 April 11:
The postmark is 32–35 mm in diameter. The outside vertical height of the four bars to the right of the circle is 19–20 mm.
(click on an image to enlarge)
today:
Washington post office is still in operation.
West Washington
1851 July 3:
West Washington post office opened. (source: Maine Philatelic Society. 1995. The Post Offices of Maine: A Rarity Guide)
1950:
The postmark is 32–35 mm in diameter. The vertical height of the four bars to the right of the circle is 19 mm.
(click on image to enlarge)
1950 October 31:
West Washington post office closed. (source: Maine Philatelic Society. 1995. The Post Offices of Maine: A Rarity Guide)